[INFO] cloning repository https://github.com/peturparkur/discord-bot-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peturparkur/discord-bot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeturparkur%2Fdiscord-bot-rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 656d483c454cabcfcc1de6473c84798a8b47cb18
[INFO] checking peturparkur/discord-bot-rust against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeturparkur%2Fdiscord-bot-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peturparkur/discord-bot-rust
[INFO] finished tweaking git repo https://github.com/peturparkur/discord-bot-rust
[INFO] tweaked toml for git repo https://github.com/peturparkur/discord-bot-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peturparkur/discord-bot-rust on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peturparkur/discord-bot-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6cd68388af3a5b4b50b56b10b99564dd8916354fee577db527e55ec8d817b48b
[INFO] running `Command { std: "docker" "start" "-a" "6cd68388af3a5b4b50b56b10b99564dd8916354fee577db527e55ec8d817b48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd68388af3a5b4b50b56b10b99564dd8916354fee577db527e55ec8d817b48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd68388af3a5b4b50b56b10b99564dd8916354fee577db527e55ec8d817b48b", kill_on_drop: false }`
[INFO] [stdout] 6cd68388af3a5b4b50b56b10b99564dd8916354fee577db527e55ec8d817b48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c91d1a1461d94974590c16ff7ed37537b07550e5f98964521fb37e52394dc8f
[INFO] running `Command { std: "docker" "start" "-a" "8c91d1a1461d94974590c16ff7ed37537b07550e5f98964521fb37e52394dc8f", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `reqwest::Url`
[INFO] [stdout]  --> src/commands/reddit.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest::Url;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]   --> src/commands/reddit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_json::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/commands/reddit.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reqwest::Url`
[INFO] [stdout]  --> src/commands/reddit.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest::Url;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]   --> src/commands/reddit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_json::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/commands/reddit.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/commands/reddit.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/commands/reddit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/commands/testing.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/commands/testing.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/commands/reddit.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/commands/reddit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/commands/testing.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/commands/testing.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/commands/reddit.rs:50:73
[INFO] [stdout]    |
[INFO] [stdout] 50 | ... { Ok(x) => Some(x - 1), Err(err) => None}; // -1 indicates we take a random from the entire range
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/commands/testing.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn whatup(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult {
[INFO] [stdout]    |                                                   ----^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commands/testing.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn whatup(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/commands/reddit.rs:50:73
[INFO] [stdout]    |
[INFO] [stdout] 50 | ... { Ok(x) => Some(x - 1), Err(err) => None}; // -1 indicates we take a random from the entire range
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/commands/testing.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn whatup(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult {
[INFO] [stdout]    |                                                   ----^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commands/testing.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn whatup(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult {
[INFO] [stdout]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn message(&self, ctx: Context, msg: Message) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let args = std::env::args().collect::<Vec<_>>();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |     async fn message(&self, ctx: Context, msg: Message) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let args = std::env::args().collect::<Vec<_>>();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.53s
[INFO] running `Command { std: "docker" "inspect" "8c91d1a1461d94974590c16ff7ed37537b07550e5f98964521fb37e52394dc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c91d1a1461d94974590c16ff7ed37537b07550e5f98964521fb37e52394dc8f", kill_on_drop: false }`
[INFO] [stdout] 8c91d1a1461d94974590c16ff7ed37537b07550e5f98964521fb37e52394dc8f
